520312034 has 16 divisors (see below), whose sum is σ = 852486336. Its totient is φ = 236209200.

The previous prime is 520312031. The next prime is 520312061. The reversal of 520312034 is 430213025.

It is a happy number.

It is a super-2 number, since 2×520312034² = 541449225450434312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520311997 and 520312015.

It is not an unprimeable number, because it can be changed into a prime (520312031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 32465.

It is an arithmetic number, because the mean of its divisors is an integer number (53280396).

Almost surely, 2^520312034 is an apocalyptic number.

520312034 is a deficient number, since it is larger than the sum of its proper divisors (332174302).

520312034 is a wasteful number, since it uses less digits than its factorization.

520312034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29641.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 520312034 is about 22810.3492739590. The cubic root of 520312034 is about 804.3059661123.

Adding to 520312034 its reverse (430213025), we get a palindrome (950525059).

Subtracting from 520312034 its reverse (430213025), we obtain a palindrome (90099009).

The spelling of 520312034 in words is "five hundred twenty million, three hundred twelve thousand, thirty-four".